23432331 has 32 divisors (see below), whose sum is σ = 35546112. Its totient is φ = 13622400.

The previous prime is 23432329. The next prime is 23432371. The reversal of 23432331 is 13323432.

It is not a de Polignac number, because 23432331 - 2¹ = 23432329 is a prime.

It is a super-2 number, since 2×23432331² = 1098148272187122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23432298 and 23432307.

It is not an unprimeable number, because it can be changed into a prime (23432371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135361 + ... + 135533.

It is an arithmetic number, because the mean of its divisors is an integer number (1110816).

Almost surely, 2^23432331 is an apocalyptic number.

23432331 is a deficient number, since it is larger than the sum of its proper divisors (12113781).

23432331 is a wasteful number, since it uses less digits than its factorization.

23432331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363.

The product of its digits is 1296, while the sum is 21.

The square root of 23432331 is about 4840.6953012971. The cubic root of 23432331 is about 286.1575207700.

Adding to 23432331 its reverse (13323432), we get a palindrome (36755763).

The spelling of 23432331 in words is "twenty-three million, four hundred thirty-two thousand, three hundred thirty-one".